<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>登录</title>
    <link rel="stylesheet" href="./bootstrap/bootstrap.min.css" />
    <link rel="stylesheet" href="./bootstrap/bootstrap-icons.css" />
    <link rel="stylesheet" href="./css/common.css" />
    <link rel="stylesheet" href="./css/login.css" />
  </head>
  <body class="application application-offset">
    <div class="container-fluid container-application">
      <div class="main-content position-relative">
        <!-- Page content -->
        <div class="page-content">
          <div class="min-vh-100 py-5 d-flex align-items-center">
            <div class="w-100">
              <div class="row justify-content-center">
                <div class="col-sm-8 col-lg-4">
                  <div class="card shadow zindex-100 mb-0">
                    <div class="card-body px-md-5 py-5">
                      <div class="mb-5">
                        <h6 class="h3">传智教育-登录</h6>
                      </div>
                      <span class="clearfix"></span>
                      <form role="form" autocomplete="off">
                        <div class="form-group">
                          <label class="form-control-label">账号</label>
                          <div class="input-group input-group-merge">
                            <div class="input-group-prepend">
                              <span class="input-group-text"><i class="bi bi-person"></i></span>
                            </div>
                            <input name="username" type="text" class="form-control" id="input-email" placeholder="请输入账号" />
                          </div>
                        </div>
                        <div class="form-group mb-4">
                          <div class="d-flex align-items-center justify-content-between">
                            <div>
                              <label class="form-control-label">密码</label>
                            </div>
                            <div class="mb-2">
                              <a href="javascript:;" class="small text-muted text-underline--dashed border-primary">忘记密码</a>
                            </div>
                          </div>
                          <div class="input-group input-group-merge">
                            <div class="input-group-prepend">
                              <span class="input-group-text"><i class="bi bi-key"></i></span>
                            </div>
                            <input name="password" type="password" class="form-control" id="input-password" placeholder="请输入密码" />
                            <div class="input-group-append">
                              <span class="input-group-text">
                                <a href="javascript:;" data-toggle="password-text" data-target="#input-password">
                                  <i class="bi bi-eye-fill text-blue"></i>
                                </a>
                              </span>
                            </div>
                          </div>
                        </div>
                        <div class="mt-4">
                          <button id="btn-login" type="button" class="btn btn-sm btn-info btn-icon btn-blue rounded-pill">
                            <span class="btn-inner--text">登录</span>
                            <span class="btn-inner--icon"><i class="bi bi-arrow-right"></i></span>
                          </button>
                        </div>
                      </form>
                    </div>
                    <div class="card-footer px-md-5"><small>没有注册？</small> <a href="./register.html" class="small font-weight-bold text-blue">创建账号</a></div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
    <!-- toast -->
    <div class="position-fixed top-0 start-50 pt-4" style="z-index: 999; transform: translateX(-50%)">
      <div id="myToast" class="toast bg-rgba">
        <div class="toast-body">提示消息</div>
      </div>
    </div>
    <script src="./bootstrap/bootstrap.min.js"></script>
    <script src="./lib/form-serialize.js"></script>
    <script src="./lib/axios.js"></script>
    <script src="./js/common.js"></script>
    <script>
      //给登录按钮绑定点击事件，收集表单数据，表单数据校验，ajax请求
      //如果有type="button"说明普通按钮，否则就是提交按钮
     document.querySelector('#btn-login').addEventListener('click', async function(){
       
       //自动收集表单数据
       //hash:true 的作用 如果不加 默认数据是a=1&b=2的形式，如果加了就是一个对象的形式 {a:1,b:2}
       const data = serialize(document.querySelector('form'),{ hash:true })
       console.log(data);
       //非空校验
       if (!data.password || !data.username){
         return tip('用户名或密码不能为空')
       }
       //密码长度不能小于6
       if (data.password.length <= 6) return tip('密码不能小于6位数')
       console.log(data);
       document.querySelector('form').reset()

       try {
          //发送ajax请求 注册
          const res = await axios({
              method:'POST',
              url:'/login',
              // params:{}//get请求的参数写在这里面
               data//post请求的参数写在这里面
          }).then(res=>{
              console.log(res.data);
              tip(res.message)
              //用户登录成功之后 后台就会给我们一个凭证 我们是在登录页面获取的，但是我们是在
              localStorage.setItem('token',res.data.token)
              localStorage.setItem('username',res.data.username)
              //页面从register.html跳转到login.html
              setTimeout(() => {
                 location.href = './index.html'
              }, 500);
             
          })
        } catch(err) {
          console.dir(err);
          tip(err.response.data.message)
        }
     })
    </script>
  </body>
</html>
